821
FZUS51 KBOX 022303
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 PM EDT SAT MAY 2 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-031200-
703 PM EDT SAT MAY 2 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
UNSETTLED OVER THE WATERS TONIGHT AS A COASTAL LOW PRES TRACKS JUST
SW OF THE 40N/70W BENCHMARK TONIGHT INTO SUN. HIGH PRES RETURNS OVER
THE WATERS EARLY NEXT WEEK. WEATHER TRENDS BACK TO UNSETTLED LATE
WEEK WITH A LOW PRES AND COLD FRONT MOVING THROUGH BRINGING SHOWERS
AND THUNDERSTORMS.
ANZ250-031200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 2 FT AT
4 SECONDS. SHOWERS.
SUN
N WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW
3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS. SHOWERS LIKELY, MAINLY
IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND NW 2 FT AT
4 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND SW 4 FT AT 4 SECONDS.
MON NIGHT THROUGH TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP
TO 35 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND E
2 FT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT AND THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. SHOWERS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-031200-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 PM EDT SAT MAY 2 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND S 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NW 2 FT AT 4 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND NW 2 FT AT 3 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND SW 3 FT AT 4 SECONDS.
MON NIGHT THROUGH TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND E
3 FT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT AND THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. SHOWERS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-031200-
CAPE COD BAY-
703 PM EDT SAT MAY 2 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
9 SECONDS. SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS, MAINLY IN THE MORNING.
SUN NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NW 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
MON NIGHT AND TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND NE 1 FOOT
AT 6 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 30 KT. SEAS 3 TO 5 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-031200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
TONIGHT
S WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH GUSTS
UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND S 2 FT AT 4 SECONDS. SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND W 3 FT AT 4 SECONDS.
SHOWERS, MAINLY IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E
6 FT AT 9 SECONDS AND NW 2 FT AT 4 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 5 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-031200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
TONIGHT
S WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH GUSTS
UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND NW 4 FT AT 4 SECONDS.
SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: SE 5 FT AT 9 SECONDS AND W 4 FT AT 6 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 4 FT AT
9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
THU
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. SHOWERS LIKELY.
THU NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-031200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
TONIGHT
S WINDS AROUND 5 KT, BECOMING N 10 TO 15 KT WITH GUSTS
UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. SHOWERS. PATCHY FOG THIS
EVENING WITH VSBY 1 TO 3 NM.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND SE 4 FT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: W
4 FT AT 5 SECONDS AND SE 4 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT THROUGH TUE NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP
TO 35 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E
2 FT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
THU
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. SHOWERS.
THU NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
7 TO 10 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-031200-
NANTUCKET SOUND-
703 PM EDT SAT MAY 2 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E
2 FT AT 9 SECONDS. SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS.
SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE
2 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. SHOWERS LIKELY.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-031200-
VINEYARD SOUND-
703 PM EDT SAT MAY 2 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS. SHOWERS. PATCHY FOG THIS EVENING WITH
VSBY 1 TO 3 NM.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND S 2 FT AT 10 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE
2 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND
SE 2 FT AT 9 SECONDS.
MON NIGHT THROUGH TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP
TO 35 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND E
1 FOOT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-031200-
BUZZARDS BAY-
703 PM EDT SAT MAY 2 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. SHOWERS. PATCHY FOG THIS EVENING.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
MON NIGHT AND TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND S 2 FT AT
8 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-031200-
RHODE ISLAND SOUND-
703 PM EDT SAT MAY 2 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. SHOWERS LIKELY,
MAINLY THIS EVENING.
SUN
NW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND W
3 FT AT 5 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. SHOWERS LIKELY.
THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-031200-
BLOCK ISLAND SOUND-
703 PM EDT SAT MAY 2 2026
TONIGHT
SW WINDS AROUND 5 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND W
2 FT AT 4 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 2 FT AT
8 SECONDS.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-031200-
BOSTON HARBOR-
703 PM EDT SAT MAY 2 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.
MON NIGHT THROUGH TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. WAVES AROUND 2 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. WAVES AROUND 2 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-031200-
NARRAGANSETT BAY-
703 PM EDT SAT MAY 2 2026
TONIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
MON NIGHT THROUGH TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. WAVES 2 TO 4 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 4 FT. SHOWERS LIKELY.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT. SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT. WAVES 4 TO 6 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-031200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 PM EDT SAT MAY 2 2026
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND S 3 FT AT 4 SECONDS. SHOWERS.
SUN
N WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND NW 3 FT AT 4 SECONDS. SHOWERS, MAINLY IN THE
MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND NW 3 FT AT
4 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 5 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 6 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
TUE AND TUE NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
WED NIGHT AND THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 4 TO 6 FT. SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-031200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 PM EDT SAT MAY 2 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND W 3 FT AT 5 SECONDS, BECOMING SE 6 FT AT
9 SECONDS AND NW 4 FT AT 5 SECONDS. SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND W 4 FT AT
6 SECONDS.
MON
SW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE AFTERNOON.
SEAS 5 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 5 FT AT
9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
6 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 6 FT. A CHANCE OF SHOWERS.
THU
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. SHOWERS LIKELY.
THU NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-031200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 PM EDT SAT MAY 2 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING N 15 TO 20 KT WITH GUSTS
UP TO 25 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND W 5 FT AT 6 SECONDS.
SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 8 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND E 6 FT AT
9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 5 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E 3 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
6 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 6 FT. A CHANCE OF SHOWERS.
THU
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. SHOWERS LIKELY.
THU NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-031200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 PM EDT SAT MAY 2 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING N 15 TO 20 KT WITH GUSTS
UP TO 25 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND E 3 FT AT 9 SECONDS. SHOWERS. PATCHY FOG THIS
EVENING WITH VSBY 1 NM OR LESS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS, BECOMING W 5 FT AT
5 SECONDS AND E 5 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
SUN NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W
5 FT AT 6 SECONDS AND SE 5 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT THROUGH TUE NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP
TO 40 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND E
3 FT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
THU
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. SHOWERS LIKELY.
THU NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
8 TO 10 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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